Home / 31,377.64-43,300.92-17,230.20

Finding the Fourth Proportional to 31,377.64, 43,300.92 and 17,230.20

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Solution

The fourth proportional to 31,377.64, 43,300.92 and 17,230.20 is: 23,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,377.64 : 43,300.92 = 17,230.20 : x
  2. Step 2: Convert to fraction form
    31,377.64/43,300.92 = 17,230.20/x
  3. Step 3: Cross multiply
    31,377.64x = 43,300.92 × 17,230.20
  4. Step 4: Simplify right side
    31,377.64x = 746,083,511.78
  5. Step 5: Solve for x
    x = 746,083,511.78/31,377.64
  6. Step 6: Final answer
    x = 23,777.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.